Mercedes-Benz C43 AMG Turn Signal Bulb Size
The Mercedes-Benz C43 AMG uses 12174NA or 2357NA bulbs for front turn signals and 12496 or PY21W bulbs for rear turn signals, with each size corresponding to specific vehicle configurations. The replacement chart covers 1998 through 2019 model years and details bulb size specifications across the vehicle's production range.
The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.
Front Turn Signal
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2017-2019 | 12174NA (With Halogen Capsule Headlamps) | 12174NA | Check Price |
| 1998-2000 | 2357NA | P21/5W | Check Price |
Rear Turn Signal
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 2019 | 12496 (With Halogen Capsule Headlamps) | 12496 | Check Price |
| 2018 | 7507 (With Halogen Capsule Headlamps) | PY21W | Check Price |
| 2017 | 12496 (With Halogen Capsule Headlamps) | 12496 | Check Price |
| 2000 | 7507 | PY21W | Check Price |
| 1998-1999 | 12496 | 12496 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| OEM part number. Natural amber glass variant. 12V. | 12174NA | Check Price |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base, natural amber glass. 12V, 26.9W/8W. | 2357NA | Check Price |
| ECE standard (Europe & worldwide). Dual-filament signalling bulb with BAY15d bayonet base. 12V, 21W/5W. | P21/5W | Check Price |
| Philips/Osram part number. Halogen bulb, specialty application. 12V. | 12496 | Check Price |
| ECE standard (Europe & worldwide). Single-filament amber bulb with BAU15s bayonet base. 12V, 21W. | PY21W | Check Price |